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Thread: Ga Ep45 UD3P rev 1.0 Bios assistance




  1. #181
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Comments:
    MCH = Memory Controller Hub for Intel systems.
    It's pretty safe to say that MCH Core is memory related. You might need more than 1.24 volts with your o/c. If you check the other E8400 overclock threads, you'll probably find that their MCH Core settings are all over the map. It needs to be tailored for each hardware setup.

    Prime95 error guideline:
    Prime95 Small FFT errors are usually cpu related.
    Prime95 Large FFT errors are usually memory related.

    And now a word from our sponsor:
    E6850 at 3.825GHz, 4GB memory at 850MHz (4-4-4-10)
    Memtest86+ #5 loop test passed.
    Memtest86+ full 8-test loop test --> test #7 has 3 single bit errors and test #8 has 630 multi-bit errors.

    I'll be online for another hour or so while I'm testing my E6850 system and will check this thread every 10 - 15 minutes if you have questions.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
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    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
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  2. #182
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    Thumbs up Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Deafty, I'm going to temporarily bow out and let Chike help you. He can better assist you while you're working with clock skews.
    I'll still follow the thread and only butt in if you want my 2 cents on any subject, excluding clock skews.
    Happy tweaking.

    ps: I will however post brief updates about my E6850 o/c adventure
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
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    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  3. #183
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Success!!!:

    I don't get these clock skews either..(for now)

    TO keep it short.

    upped V core whilst testing Chikes small fft test with min/max set to 8k
    Vcore started @1.3000v

    +1 Fail
    +2 Fail
    +3 Fail

    changed CPU clock skew to 50ps
    +1 Fail
    +2 Fail
    +3 Fail

    Changed CPU Skew to 100ps
    +1 Fail
    +2Fail (but on 3rd test)
    +3Fail

    Had a thought here,..headed back to:
    CPU clock skew is 0
    +4 VCore PASS

    YAY,..

    Headed back CPU clock skew 50ps
    +1 Fail
    +2Fail
    +3Fail
    +4 PASS

    Ran 3 complete tests at 8 mins on Prime as above.
    PASS PASS PASS!!!
    Last edited by Deafty; 09-27-2011 at 07:34 PM.
    GAEP45 UD3P rev1.1
    Intel E8400 @4.2Ghz
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  4. #184
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Nice!!!
    I suggest running extended Prime95 tests; small FFT, large FFT, and Blend.

    You know what +4 Vcore means, I'd also include the actual cpu vcore setting and include LLC status.
    Last edited by profJim; 09-27-2011 at 07:30 PM.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  5. #185
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    What do Clock skews do anyway??? I passed without them and for now unless I hear otherwise am staying away from them.

    Thanks for your efforts Prof Jim.

    Here is som monitoring software data
    Ga Ep45 UD3P rev 1.0 Bios assistance-success-data-jpg

    I'm now at my desired goal of 4.2GHz
    I intend to run at the highest speed day 2 day with stock Vcore!
    But will have this nice 4.2Ghz Bios for gaming,.sweet,. and thanks for all the help so far everyone.
    GAEP45 UD3P rev1.1
    Intel E8400 @4.2Ghz
    Corsair Cl4 DDr2 800
    Ati 4890
    Bequite 670watt
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  6. #186
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Nice!!!
    I suggest running extended Prime95 tests; small FFT, large FFT, and Blend.

    You know what +4 Vcore means, I'd also include the actual cpu vcore setting and include LLC status.

    Current VCore is 1.3125v

    VTT @1.24
    MCH@1.24
    MCH ref @ 0.74

    now presumably these can be lowered,..? obviously not MCH ref.
    Last edited by Deafty; 09-27-2011 at 07:42 PM.
    GAEP45 UD3P rev1.1
    Intel E8400 @4.2Ghz
    Corsair Cl4 DDr2 800
    Ati 4890
    Bequite 670watt
    Westerndigital Black 500gb

  7. #187
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Current VCore is 3.3125v
    I really, really, really hope that this is a typo!!!!! Are you lying again? ;)

    next reply in several minutes.....

  8. #188
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Current VCore is 3.3125v
    Lying!! Nah what you haven't gone that high before???
    check post again
    Last edited by Deafty; 09-27-2011 at 07:44 PM.
    GAEP45 UD3P rev1.1
    Intel E8400 @4.2Ghz
    Corsair Cl4 DDr2 800
    Ati 4890
    Bequite 670watt
    Westerndigital Black 500gb

  9. #189
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Clock skews alter the electrical signal to improve signal quality and compensate for electrical noise (jitter) that causes problems.
    Clock skew - Wikipedia, the free encyclopedia

    If you don't need to use clock skews, don't.
    Chike says that using clock skews might help you lower some other bios voltages, so this would be worth trying after you have reached your "final" stable overclock. Optimizing your memory timings should also be done when your "done" overclocking.

    E6850 update:
    Memtest86+ passed 3 loops of the #7 test with only 1 error.
    Test #8 will be run after #7 runs clean for 5 loops.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  10. #190
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Don't start lowering voltages until you've run a brief IBT test loop, run Prime95 tests, and done some heavy gaming to ensure that things are okie-dokie.

    Btw: The "last edited" time stamps betray your efforts.
    Last edited by profJim; 09-27-2011 at 08:00 PM.

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